The self-similarity theory of high pressure torsion
نویسندگان
چکیده
منابع مشابه
The self-similarity theory of high pressure torsion
By analyzing the problem of high pressure torsion (HPT) in the rigid plastic formulation, we show that the power hardening law of plastically deformed materials leads to self-similarity of HPT, admitting a simple mathematical description of the process. The analysis shows that the main parameters of HPT are proportional to β q , with β being the angle of the anvil rotation. The meaning of the p...
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Numerical Analysis of Severe Plastic Deformation by High Pressure Torsion
High-pressure torsion (HPT) is a metal processing method in which the sample is subjected to a very high plastic shear deformation. This process can produce exceptional levels of grain refinement, and provides a corresponding improvement in mechanical properties. To investigate the stress and strain distribution due to HPT process finite element simulation were conducted to investigate effectiv...
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ژورنال
عنوان ژورنال: Beilstein Journal of Nanotechnology
سال: 2016
ISSN: 2190-4286
DOI: 10.3762/bjnano.7.117